@article{MOMA_1967__71_177368,
     author = {Karl-H. Wolff},
     title = {Ein {Beitrag} zur {Theorie} der {Ruinwahrscheinlichkeit.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {64--79},
     publisher = {mathdoc},
     volume = {71},
     year = {1967},
     zbl = {0152.38303},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1967__71_177368/}
}